use dns package from sigsum-gov0.4.0

Issue: #26

5 files changed, 6 insertions, 45 deletions

diff --git a/cmd/sigsum_log_go/main.go b/cmd/sigsum_log_go/main.go
index 042c2df..356726a 100644
--- a/cmd/sigsum_log_go/main.go
+++ b/cmd/sigsum_log_go/main.go
@@ -22,8 +22,8 @@ import (
 	"google.golang.org/grpc"
 
 	"git.sigsum.org/sigsum-go/pkg/types"
+	"git.sigsum.org/sigsum-go/pkg/dns"
 	"git.sigsum.org/log-go/pkg/db"
-	"git.sigsum.org/log-go/pkg/dns"
 	"git.sigsum.org/log-go/pkg/instance"
 	"git.sigsum.org/log-go/pkg/state"
 )
diff --git a/pkg/dns/mocks/dns.go b/internal/mocks/dns/dns.go
index 27a32cf..0cc45fc 100644
--- a/pkg/dns/mocks/dns.go
+++ b/internal/mocks/dns/dns.go
@@ -1,8 +1,8 @@
 // Code generated by MockGen. DO NOT EDIT.
-// Source: git.sigsum.org/sigsum-log-go/pkg/dns (interfaces: Verifier)
+// Source: git.sigsum.org/sigsum-go/pkg/dns (interfaces: Verifier)
 
-// Package mocks is a generated GoMock package.
-package mocks
+// Package dns is a generated GoMock package.
+package dns
 
 import (
 	context "context"
diff --git a/pkg/dns/dns.go b/pkg/dns/dns.go
deleted file mode 100644
index 5baccc3..0000000
--- a/pkg/dns/dns.go
+++ /dev/null
@@ -1,39 +0,0 @@
-package dns
-
-import (
-	"context"
-	"fmt"
-	"net"
-
-	"git.sigsum.org/sigsum-go/pkg/hex"
-	"git.sigsum.org/sigsum-go/pkg/types"
-)
-
-// Verifier can verify that a domain name is aware of a public key
-type Verifier interface {
-	Verify(ctx context.Context, name string, key *types.PublicKey) error
-}
-
-// DefaultResolver implements the Verifier interface with Go's default resolver
-type DefaultResolver struct {
-	resolver net.Resolver
-}
-
-func NewDefaultResolver() Verifier {
-	return &DefaultResolver{}
-}
-
-func (dr *DefaultResolver) Verify(ctx context.Context, name string, key *types.PublicKey) error {
-	rsp, err := dr.resolver.LookupTXT(ctx, name)
-	if err != nil {
-		return fmt.Errorf("domain name look-up failed: %v", err)
-	}
-
-	want := hex.Serialize(types.HashFn(key[:])[:])
-	for _, got := range rsp {
-		if got == want {
-			return nil
-		}
-	}
-	return fmt.Errorf("%q is not aware of key hash %q", name, want)
-}
diff --git a/pkg/instance/handler_test.go b/pkg/instance/handler_test.go
index ab429ae..c7539b7 100644
--- a/pkg/instance/handler_test.go
+++ b/pkg/instance/handler_test.go
@@ -13,7 +13,7 @@ import (
 	"time"
 
 	mocksDB "git.sigsum.org/log-go/pkg/db/mocks"
-	mocksDNS "git.sigsum.org/log-go/pkg/dns/mocks"
+	mocksDNS "git.sigsum.org/log-go/internal/mocks/dns"
 	mocksState "git.sigsum.org/log-go/pkg/state/mocks"
 	"git.sigsum.org/sigsum-go/pkg/types"
 	"github.com/golang/mock/gomock"
diff --git a/pkg/instance/instance.go b/pkg/instance/instance.go
index 4d7582a..7f84bbb 100644
--- a/pkg/instance/instance.go
+++ b/pkg/instance/instance.go
@@ -8,8 +8,8 @@ import (
 	"time"
 
 	"git.sigsum.org/log-go/pkg/db"
-	"git.sigsum.org/log-go/pkg/dns"
 	"git.sigsum.org/log-go/pkg/state"
+	"git.sigsum.org/sigsum-go/pkg/dns"
 	"git.sigsum.org/sigsum-go/pkg/requests"
 	"git.sigsum.org/sigsum-go/pkg/types"
 )